CN205173086U - Pressurization control mechanism of die casting machine - Google Patents
Pressurization control mechanism of die casting machine Download PDFInfo
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- CN205173086U CN205173086U CN201520914822.0U CN201520914822U CN205173086U CN 205173086 U CN205173086 U CN 205173086U CN 201520914822 U CN201520914822 U CN 201520914822U CN 205173086 U CN205173086 U CN 205173086U
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- control mechanism
- pressurization control
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Abstract
The utility model provides a pressurization control mechanism of die casting machine, includes valve body and valve gap, the valve body is provided with oil inlet and oil -out, and the internal rigging has pressure boost control mechanism and oil inlet and oil -out intercommunication, valve gap shutoff pressure boost control mechanism, pressure boost control mechanism includes valve barrel, case and the elastic component that resets, the valve barrel communicates oil inlet and oil -out respectively, the case slidable assemble in the valve barrel, the elastic component that restores to the throne effect case elasticity shutoff oil inlet. The utility model discloses a pressurization control is accomplished by valve barrel, case and the elastic component that resets cooperation. This structure has guaranteed that case palicinesia nature is good, and the structure fault rate is extremely low, and it is accurate quick to reset, and the case is good with valve barrel fitting surface sealing performance, and stability is good, and the reliability is high, and reliability and stability are guaranteed to the valve barrel under high dynamic impact load. It has compact structure, small, installation easy maintenance, low in manufacturing cost, control accuracy is high, the energy consumption is low, longe -lived, debug easy characteristics.
Description
Technical field
The utility model relates to a kind of die casting machine, particularly a kind of pressurization control mechanism of die casting machine.
Background technique
Common all size and the die casting machine of structure, booster body adopts floating piston or one-way valve structures, floating piston and piston rod cooperation realize pressurizing action, its complicated structure, manufacture cost is high, and floating piston volume is large, inertia is large, when assembling not at that time, occurring once in a while and getting loose, poor sealing phenomenon.Common one-way valve structures, because the closed check valve time is slow, control procedure can be subject to the impact of the changing factors such as load, and energy consumption is higher, and speed of response is slow, poor stability.Its control accuracy and repeatability can only meet the control overflow of conventional products, lack the popularity of processing, need to improve further.
Chinese patent literature CN201596757U discloses a kind of pressurization control mechanism of die casting machine on October 6th, 2010, specifically disclose, comprise three way valve, it is characterized in that the two ends, left and right of three way valve inside are respectively arranged with left valve pocket and right valve pocket, between the valve pocket of left and right, be provided with spool and Returnning spring thereof; Valve body right-hand member is oil-feed valve port, and lower end is fuel-displaced valve port.Described spool is T-piece, and one end that diameter is little is provided with deep hole, and Returnning spring is placed in deep hole, and the small end of spool and Returnning spring and left valve pocket are provided with one end of deep hole for being slidably matched.There are the problems referred to above in this structure, therefore, is necessary to make further improvements.
Model utility content
The pressurization control mechanism that the purpose of this utility model aims to provide a kind of compact structure, volume is little, installation and maintenance are convenient, low cost of manufacture, control accuracy are high, energy consumption is low, the life-span is long, debugging is easy to die casting machine, to overcome deficiency of the prior art.
The pressurization control mechanism of a kind of die casting machine designed by this object, comprises valve body and valve gap, and described valve body is provided with filler opening and oil outlet, and mounted inside has pressurization control mechanism to be communicated with oil outlet with filler opening, valve gap shutoff pressurization control mechanism; It is characterized in that: described pressurization control mechanism comprises valve pocket, spool and return springs; Described valve pocket is fixedly assemblied in valve body, and is communicated with filler opening and oil outlet respectively; Described spool is slidably assemblied in valve pocket; Described return springs effect spool elasticity shutoff filler opening.
The corresponding filler opening of described valve pocket is provided with oil inlet hole, described spool and oil inlet hole coaxial cooperation, and the cylindrical oil sealing portion of diameter slightly larger than oil inlet hole is arranged in an end, oil sealing portion elasticity pressing oil inlet hole edge.
Chamfering or fillet process on the ring edge in described oil sealing portion, form shutoff face, shutoff surface elastic pressing oil inlet hole edge, mutual linear fit.
Described spool is provided with some oilholes in the axial direction, and oilhole is communicated with oil outlet.
Described valve core axis is provided with reset blind hole, reset blind hole opening is towards valve gap, and return springs is assemblied in reset blind hole, and the cecum of one end effect reset blind hole, the other end effect valve gap.
Described oilhole annular is distributed in outside oilhole.
Described spool, oil inlet hole and filler opening coordinate coaxially to each other, and described oil outlet vertical axis is arranged.
The described valve pocket material that anti-high loading impacts is made, valve pocket and being sealed and matched by Sealing between valve body and the fitting surface of valve gap.
Described return springs is high-strength spring.
Pressurization control of the present utility model has been coordinated by valve pocket, spool and return springs.Spool puts by plugging valve the oil outlet being communicated with oil outlet and realizes oil sealing effect; In addition, spool is provided with multiple oilhole, and communicates with oil outlet, because the through-current capacity of these oilholes is large, can Fast Activities when spool is closed, thus provide high speed of response, and the height response of control mechanism can be realized, be applicable to efficient and accurate die casting is shaping.This structure ensure that spool action is reproducible, and structure failure rate is extremely low, resets accurately fast, and spool is good with valve pocket mating face seal performance, good stability, and reliability is high, valve pocket under high dynamic impact loads, guarantee reliability and stability.It has compact structure, volume is little, installation and maintenance are convenient, low cost of manufacture, control accuracy are high, energy consumption is low, the life-span is long, debugging is easy to feature.
Accompanying drawing explanation
Fig. 1 is the assembly structure schematic diagram of the utility model one embodiment.
Fig. 2 is the plan view of spool in the utility model one embodiment.
Fig. 3 is the sectional view in A-A direction in Fig. 2.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
See Fig. 1-Fig. 3, the pressurization control mechanism of this die casting machine, comprises valve body 1 and valve gap 5, and valve body 1 is provided with filler opening 1.1 and oil outlet 1.2, and mounted inside has pressurization control mechanism to be communicated with oil outlet 1.2 with filler opening 1.1, valve gap 5 shutoff pressurization control mechanism; Pressurization control mechanism comprises valve pocket 2, spool 3 and return springs 4; Wherein, valve pocket 2 is fixedly assemblied in valve body 1, and is communicated with filler opening 1.1 and oil outlet 1.2 respectively; Spool 3 is slidably assemblied in valve pocket 2; Return springs 4 acts on spool 3 elasticity shutoff filler opening 1.1.Spool 3 can shutoff filler opening 1.1 under the effect of return springs 4, this structure ensure that spool 3 action is reproducible, structure failure rate is extremely low, reset accurately fast, spool 3 is good with valve pocket 2 mating face seal performance, good stability, and reliability is high, valve pocket 2, under high dynamic impact loads, ensures reliability and stability.
Specifically: the corresponding filler opening 1.1 of valve pocket 2 is provided with oil inlet hole 2.1, spool 3 and oil inlet hole 2.1 coaxial cooperation, and the cylindrical oil sealing portion 3.3 of diameter slightly larger than oil inlet hole 2.1 is arranged in an end, elasticity pressing oil inlet hole 2.1 edge, oil sealing portion 3.3, by sealing structure, indirectly achieve the shutoff of spool 3 pairs of filler openings 1.1.
Chamfered on the ring edge in oil sealing portion 3.3, the shutoff face 3.3.1 making it be formed with continuous tilt, shutoff face 3.3.1 elasticity pressing oil inlet hole 2.1 edge, realizes chamfering Seal Design, mutual linear fit each other.
Spool 3 is provided with eight oilholes 3.2 in the axial direction, and oilhole 3.2 is communicated with oil outlet 2.1.
Spool 3 axis is provided with reset blind hole 3.1, reset blind hole 3.1 opening is towards valve gap 5, return springs 4 is assemblied in reset blind hole 3.1, and the cecum of one end effect reset blind hole 3.1, the other end effect valve gap 5, valve gap 5 is the setting of geo-stationary, and spool 3 is under the effect of return springs 4, relative valve gap 5 elasticity reciprocates, thus automatically opens or closes filler opening 1.1 according to pressure.
Oilhole 3.2 annular is distributed in outside oilhole 3.1.
Spool 3, oil inlet hole 2.1 and filler opening 1.1 coordinate coaxially to each other, and oil inlet hole 2.1 mates mutually with filler opening 1.1, and diameter is suitable; Oil outlet 1.2 vertical axis is arranged.
Valve pocket 2 material that anti-high loading impacts is made, and is sealed and matched between the fitting surface of valve pocket 2 and valve body 1 and valve gap 5 by Sealing 6.Fitting surface between spool 3 and valve pocket 2 is through heat treatment process, and return springs 4 is high-strength spring.
During die casting machine fast shot, injection speed can reach 8 meter per seconds or larger, now spool 3 high speed opening, spool 3 bears higher dynamic impact loads, and speed can reach more than 30 meter per seconds, when pressurizing action, spool 3 is oppositely closed rapidly, ensures that build the pressure time completes in 15 milliseconds.
Above-mentioned is preferred version of the present utility model, shows and describes basic principle of the present utility model, major character and advantage of the present utility model.Those skilled in the art should understand the utility model and not be restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (9)
1. the pressurization control mechanism of a die casting machine, comprise valve body (1) and valve gap (5), described valve body (1) is provided with filler opening (1.1) and oil outlet (1.2), and mounted inside has pressurization control mechanism to be communicated with oil outlet (1.2) with filler opening (1.1), valve gap (5) shutoff pressurization control mechanism; It is characterized in that: described pressurization control mechanism comprises valve pocket (2), spool (3) and return springs (4); Described valve pocket (2) is fixedly assemblied in valve body (1), and is communicated with filler opening (1.1) and oil outlet (1.2) respectively; Described spool (3) is slidably assemblied in valve pocket (2); Described return springs (4) effect spool (3) elasticity shutoff filler opening (A).
2. the pressurization control mechanism of die casting machine according to claim 1, it is characterized in that: described valve pocket (2) corresponding filler opening (1.1) is provided with oil inlet hole (2.1), described spool (3) and oil inlet hole (2.1) coaxial cooperation, and the cylindrical oil sealing portion (3.3) of diameter slightly larger than oil inlet hole (2.1) is arranged in an end, oil sealing portion (3.3) elasticity pressing oil inlet hole (2.1) edge.
3. the pressurization control mechanism of die casting machine according to claim 2, it is characterized in that: chamfering or fillet process on the ring edge of described oil sealing portion (3.3), form shutoff face (3.3.1), shutoff face (3.3.1) elasticity pressing oil inlet hole (2.1) edge, mutual linear fit.
4. the pressurization control mechanism of die casting machine according to claim 3, is characterized in that: described spool (3) is provided with some oilholes (3.2) in the axial direction, and oilhole (3.2) is communicated with oil outlet (1.2).
5. the pressurization control mechanism of die casting machine according to claim 4, it is characterized in that: described spool (3) axis is provided with reset blind hole (3.1), reset blind hole (3.1) opening is towards valve gap (5), return springs (4) is assemblied in reset blind hole (3.1), and the cecum of one end effect reset blind hole (3.1), the other end effect valve gap (5).
6. the pressurization control mechanism of die casting machine according to claim 5, is characterized in that: described oilhole (3.2) annular is distributed in oilhole (3.2) outside.
7. the pressurization control mechanism of die casting machine according to any one of claim 1-6, it is characterized in that: described spool (3), oil inlet hole (2.1) and filler opening (1.1) coordinate coaxially to each other, described oil outlet (1.2) vertical axis is arranged.
8. the pressurization control mechanism of die casting machine according to claim 7, it is characterized in that: described valve pocket (2) is made with the material that anti-high loading impacts, be sealed and matched by Sealing (6) between the fitting surface of valve pocket (2) and valve body (1) and valve gap (5).
9. the pressurization control mechanism of die casting machine according to claim 8, is characterized in that: described return springs (4) is high-strength spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520914822.0U CN205173086U (en) | 2015-11-16 | 2015-11-16 | Pressurization control mechanism of die casting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520914822.0U CN205173086U (en) | 2015-11-16 | 2015-11-16 | Pressurization control mechanism of die casting machine |
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| CN205173086U true CN205173086U (en) | 2016-04-20 |
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| CN201520914822.0U Active CN205173086U (en) | 2015-11-16 | 2015-11-16 | Pressurization control mechanism of die casting machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI773304B (en) * | 2021-05-07 | 2022-08-01 | 多電工業股份有限公司 | Injection pressurization control system and method for die casting machine |
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2015
- 2015-11-16 CN CN201520914822.0U patent/CN205173086U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI773304B (en) * | 2021-05-07 | 2022-08-01 | 多電工業股份有限公司 | Injection pressurization control system and method for die casting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Pressurization control mechanism of die casting machine Effective date of registration: 20180713 Granted publication date: 20160420 Pledgee: Shunde Guangdong rural commercial bank Limited by Share Ltd. Daliang branch Pledgor: FOSHAN LIANSHENG DIE CASTING TECHNOLOGY Co.,Ltd. Registration number: 2018440000201 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210723 Granted publication date: 20160420 Pledgee: Shunde Guangdong rural commercial bank Limited by Share Ltd. Daliang branch Pledgor: FOSHAN LIANSHENG DIE CASTING TECHNOLOGY Co.,Ltd. Registration number: 2018440000201 |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210809 Address after: No.6, Wusha section, Shunfan Road, Wusha community, Daliang Street office, Shunde District, Foshan City, Guangdong Province Patentee after: LANSON PRECISION MACHINERY Co.,Ltd. Address before: 528300 No. 1, No. 6, Wusha section of Shunfan highway, Wusha community neighborhood committee, Daliang sub district office, Shunde District, Foshan City, Guangdong Province Patentee before: FOSHAN LIANSHENG DIE CASTING TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.6, Wusha section, Shunfan Road, Wusha community, Daliang Street office, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong Liansheng Precision Intelligent Equipment Technology Co.,Ltd. Address before: No.6, Wusha section, Shunfan Road, Wusha community, Daliang Street office, Shunde District, Foshan City, Guangdong Province Patentee before: LANSON PRECISION MACHINERY CO.,LTD. |